Machine Design Which process will increase the fatigue duration of parts? De-carburisation Shot-peening Finishing and polishing Electroplating De-carburisation Shot-peening Finishing and polishing Electroplating ANSWER DOWNLOAD EXAMIANS APP
Machine Design If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation 138 d 151 d 124 d 168 d 138 d 151 d 124 d 168 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole) Greater than 30d Between 20d and 30d Less than 20d Equal to inside diameter of pipe Greater than 30d Between 20d and 30d Less than 20d Equal to inside diameter of pipe ANSWER DOWNLOAD EXAMIANS APP
Machine Design All stresses produced in a belt are Tensile stresses Compressive stresses Both tensile and compressive stresses Shear stresses Tensile stresses Compressive stresses Both tensile and compressive stresses Shear stresses ANSWER DOWNLOAD EXAMIANS APP
Machine Design Oldham coupling is used to connect two shafts Whose axes intersect at a small angle Which have lateral misalignment Which are perfectly aligned Which are not in exact alignment Whose axes intersect at a small angle Which have lateral misalignment Which are perfectly aligned Which are not in exact alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) T₁/T₂ = log μθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ ANSWER DOWNLOAD EXAMIANS APP